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Analog Electronics

Analog Electronics
Which of the following is trivalent impurity ?

 Silicon
 Antimony
 Boron
None of these

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Analog Electronics
If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to

  14 V.
  10 V.
  0.7 V.
  18 V.

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Analog Electronics
Depletion region of a p-n junction is formed

 During Forward bias
 During Manufacturing
 During Heating
 During Reverse bias

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Analog Electronics
The fact that there are many free electrons in a transistor emitter region means the emitter is

  heavily doped.
 lightly doped.
 undoped.
None of these

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Analog Electronics
A D - MOSFET can operate in the

  low - impedance.
  enhancement - mode only.
  depletion - mode only .
  depletion - mode or enhancement - mode.

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Analog Electronics
The depletion region of a pn junction is one, that is depleted of

  atoms.
  immobile charges.
  mobiles charges.
  velocity of the carriers.

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